Physics – Quantum Physics
Scientific paper
2000-09-04
Phys. Rev. A62,022110 (2000)
Physics
Quantum Physics
28 pages, 5 figures- new version is unchanged but tightened-20 pages, 5 figures
Scientific paper
10.1103/PhysRevA.62.022110
We suggest to test the premise of ``macroscopic local realism'' which is sufficient to derive Bell inequalities when measurements of photon number are only accurate to an uncertainty of order $n$ photons, where $n$ is macroscopic. Macroscopic local realism is only sufficient to imply, in the context of the original Einstein-Podolsky-Rosen argument, fuzzy ``elements of reality'' which have a macroscopic indeterminacy. We show therefore how the violation of local realism in the presence of macroscopic uncertainties implies the failure of ``macroscopic local realism''. Quantum states violating this macroscopic local realism are presented.
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